Lembaga : Universitas Islam Negeri Maulana Malik Ibrahim Malang
Jurusan : Teknik Informatika
Pivot table adalah sebuah tabel yang berisi data rangkuman dari data dibeberapa tabel lainnya, dibuat dengan melakukan penjumlahan, menghitung rata-rata, mengurutkan data termasuk juga mengelompokkan data, sehingga dihasilkan tabel rangkuman yang lebih informatif dan mudah dibaca.
library(readxl)
## Warning: package 'readxl' was built under R version 4.1.2
datainflowsumatera <- read_excel(path = "datainflowsumatera.xlsx")
datainflowsumatera
library(tidyverse)
## Warning: package 'tidyverse' was built under R version 4.1.2
## -- Attaching packages --------------------------------------- tidyverse 1.3.1 --
## v ggplot2 3.3.5 v purrr 0.3.4
## v tibble 3.1.6 v dplyr 1.0.8
## v tidyr 1.2.0 v stringr 1.4.0
## v readr 2.1.2 v forcats 0.5.1
## Warning: package 'ggplot2' was built under R version 4.1.2
## Warning: package 'tibble' was built under R version 4.1.2
## Warning: package 'tidyr' was built under R version 4.1.2
## Warning: package 'readr' was built under R version 4.1.2
## Warning: package 'purrr' was built under R version 4.1.2
## Warning: package 'dplyr' was built under R version 4.1.2
## Warning: package 'forcats' was built under R version 4.1.2
## -- Conflicts ------------------------------------------ tidyverse_conflicts() --
## x dplyr::filter() masks stats::filter()
## x dplyr::lag() masks stats::lag()
datalongersumatera <- datainflowsumatera %>%
pivot_longer(!Provinsi, names_to = "Tahun", values_to = "Kasus")
datalongersumatera
library(dplyr)
sumatera2 <- select(datalongersumatera, Provinsi, Kasus)
sumatera2
library(dplyr)
sumatera3 <- datalongersumatera %>%
filter(Provinsi == 'Maluku') %>%
select('Provinsi', 'Tahun', 'Kasus')
sumatera3
sumatera4 <- datalongersumatera %>%
filter(Provinsi == 'Maluku', Tahun == '2019') %>%
select('Provinsi', 'Tahun', 'Kasus')
sumatera4
library(dplyr)
sumatera3 <- datalongersumatera %>%
filter(Provinsi == 'Sumatera Utara') %>%
select('Provinsi', 'Tahun', 'Kasus')
sumatera3
sumatera4 <- datalongersumatera %>%
filter(Provinsi == 'Sumatera Utara', Tahun == '2015') %>%
select('Provinsi', 'Tahun', 'Kasus')
sumatera4